Products
OEM Heavy Duty Leaf Springs Suspension for Commercial Trucks & Trailers
High-performance heavy duty leaf springs for semi-trucks, trailers, and commercial vehicles. Custom OEM/ODM manufacturing, superior load capacity, and durability. Get a quote today!
Applications Across Commercial Industries
Our robust heavy duty leaf spring assemblies are trusted by global aftermarket distributors, fleet maintenance operators, and vehicle manufacturers across multiple sectors:
- Commercial Semi-Trailers: Flatbed, box, and low-boy trailers requiring stable weight support.
- Heavy-Duty Dump Trucks: Built to absorb high-impact shocks on rugged mining and construction sites.
- Logistics & Delivery Fleets: Ensuring driver comfort and cargo safety during long-distance transit.
Product Specifications Overview
| Specification Category | Standard Options & Customization |
| Product Type |
Multi-Leaf Spring / Parabolic Leaf Spring |
| Material Grades | SUP9, SUP11, 60Si2Mn, 51CrV4 |
| Application | Heavy Commercial Trucks, Semi-Trailers, Dump Trucks, Pickups |
| Width & Thickness | Customizable per client drawings or sample specifications |
| Load Capacity | Engineered for light, medium, and ultra-heavy duty payloads |
| Certifications | ISO/TS16949, ISO9001 Quality Management Standards |
Key Features & Technical Advantages
- High-Grade Alloy Steel Materials: Forged from superior spring steel (SUP9/51B60) to provide maximum elasticity, high yield strength, and long service life.
- Advanced Heat Treatment: Precision quenching and tempering processes optimize the internal microstructure, significantly enhancing impact resistance and preventing premature sagging.
- Strict Quality Control & Testing: Every leaf spring batch undergoes rigorous load deflection testing, hardness testing, and non-destructive crack inspection to meet international quality standards.
- Custom OEM/ODM Solutions: Available in various configurations—including multi-leaf, parabolic leaf springs, and Z-springs—tailored to exact OEM specifications for major truck and trailer brands.
- Anti-Corrosion Surface Treatment: Finished with high-durability epoxy paint or anti-rust grease to withstand harsh weather, road salt, and corrosive environments.
Why Source From Us?
- Direct Factory Pricing: Cut out the middlemen and secure competitive wholesale pricing for bulk B2B procurement.
- Global Export Experience: Fast, secure logistics packaging and reliable shipping terms (FOB, CIF, EXW) tailored for global buyers.
- Flexible Customization: Ability to manufacture custom arch heights, eye diameters, and leaf counts based on your technical drawings.
Contact our engineering and sales team today to request a custom quote, technical datasheets, or free samples for your next project.
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Partner with industry-leading precision casting experts to bring your vision to life. We specialize in delivering custom, high-quality casting solutions. With years of experience, cutting-edge technology, and an unwavering commitment to excellence, we ensure every component exceeds your expectations.